At Ashfordly police station, Miller and the team are investigating the cause of an explosion which occurred the previous night in the woods. Younger is adamant it was a meteorite landing and heads off to examine the crater which has been produced.
Shipments of needed supplies bound for an Indian reservation are stolen. The local Indian agent, a friend of Kit and El Toro, asks for their help. They investigate and suspect a group of trappers.
Kit and El Toro go undercover to take down a gang controlling a town. Kit sends a message to the War Department to build a fort there, but he's captured and the Pony Express rider's life is in danger.
Kit and El Toro intervene in the forced auction of a ranch. Bill Williams, Don Diamond.